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Round|Lab Grown|IGI

1.67ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG515228758

Shape and cutting style on the report: Round brilliant

Certificate IGI LG515228758

Diamond specifications and retailer prices

From $448 CAD
$320 USD
As of October 29, 2026
Save $1,961 CAD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,975 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.67ct lab-grown round diamond

This 1.67ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG515228758 or 515228758. Listed at 18 retailers as of October 29, 2026, with a 438% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.67
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515228758
Dimensions7.65 × 7.60 × 4.71 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.65 mm7.60 mm1.67 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515228758
Side View
Table 58.0%Crown 35.4°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,975 CAD|Low: $448 CAD|High: $3,975 CAD|Avg: $1,364 CAD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 15$448 CAD
Retailer 14$519 CAD
Retailer 13$556 CAD
Retailer 18$556 CAD
Retailer 16$581 CAD
Retailer 9$725 CAD
Retailer 4$770 CAD
Retailer 5$1,001 CAD
Retailer 12$1,064 CAD
Retailer 2$1,097 CAD
Retailer 7$1,152 CAD
Retailer 10$1,251 CAD
Retailer 3$1,629 CAD
Retailer 17$1,971 CAD
Retailer 6$2,020 CAD
Retailer 8$2,192 CAD
Retailer 11$2,409 CAD
Do Amore Diamonds$3,975 CAD

13 data points across 18 retailers

18 retailers$448 CAD to $2,409 CAD

A
Cheapest Retailer
-
$448 CAD
$320 USD
A
Retailer 2
-
$519 CAD
$371 USD
View
A
Retailer 3
-
$556 CAD
$397 USD
View
A
Retailer 4
-
$556 CAD
$397 USD
View
A
Retailer 5
-
$581 CAD
$415 USD
View
A
Retailer 6
-
$725 CAD
$518 USD
View
A
Retailer 7
-
$770 CAD
$550 USD
View
B+
Retailer 8
-
$1,001 CAD
$715 USD
View
B+
Retailer 9
-
$1,064 CAD
£598 GBP
View
B+
Retailer 10
-
$1,097 CAD
£617 GBP
View
B+
Retailer 11
-
$1,152 CAD
$823 USD
View
B+
Retailer 12
-
$1,251 CAD
$894 USD
View
B
Retailer 13
-
$1,629 CAD
$1,164 USD
View
B
Retailer 14
-
$1,971 CAD
$1,408 USD
View
B
Retailer 15
-
$2,020 CAD
$1,443 USD
View
B
Retailer 16
-
$2,192 CAD
$1,566 USD
View
B
Retailer 17
-
$2,409 CAD
£1,355 GBP
View
Most Expensive
B
Do Amore Diamonds
27-508475D7A · Oct 29
$3,975 CAD
$2,840 USD
View
Price under review
17 more retailers have this diamond
Prices start from $448 CADSave up to $1,961 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.67ct Round
$448 CAD